Improved brick-machine



. To all lwhom it may concern:

the mold-table E in various ways. That which reaches the other end,

UNTTED STATES PATENT lOEEEICE.,

EMERY R. GARD, OF CHICAGO, ILLINOIS.

ISMPRovED BRICK-MACHINE.

. Specification forming part of Letters Patent No. 52.156, dated January23, 1866- A collar or sleeve, I), is located on the dri Be it known thatI, EMERY R. GARD, of ing-shaft., so that it must turn with it, but m:Chicago, in the county of Cook and State ofhaveaverticalslidingmovementthereon. C Illinois, have invented anImproved Brickthe upper end of the sleeve is a bevel-ge:

Machine; and I do hereby declare that the wheel, a, andon the lower endanother beve following is a full and exactdescription therewheel, h.- Onopposite sides, between the` of, reference being had to the accompanyingtwo bevel-gears, are two bevel-wheels, b i, c drawings, making part ofthis speciicationhorizontal shaft-s, so arranged as to gear in1 Figure lbeing an end elevation ofthe Inathe gear-wheels a h, the latter being atsuc chine 5 Fig. 2, a side elevation thereof, the a distance apart thatonly one can gear ini frame being in section and the case ot' the theside whee1s,b t', at once, so that by movin pug-mill being removed toshow the working the sleeve P up and down the said wheels a partsinside, its position and form being shown will alternately be gearedinto the said wheel in red lines. b t', as indicated in Fig. 1, andthereby driv Like letters designate corresponding parts the shafts ofsaid wheels b t' alternatelyi in both figures. opposite directions. Onthose shafts, respect In this machine I employ a reciprocating ively,are other bevelwheels,c 7c, gearing int mold table or bed, E, incombination with a bevel-wheels d Zon vertical shafts, on the lowecontinouously-revolving spiral wing or wings, ends of which,respectively, are spur cog "D, in the pug-mill, whereby I am enabled towheels j' m, gearing into racks g a, respect make bricks of excellentquality without inively, on opposite sides of the mold-table Eiterruption by a very simple and compact ma- Hence by alternatelygearing the wheels a l chine.

, into the wheels lb rthe mold-table E will b1 The frame A is ofsuitable form and condriven alternately in opposite directions anstruction to mount the parts in, and requires become reciprocating inmotion, as desired, no special description. An upright shaft, C, todeliver thebricks from the molds at both the upper end of which receivesthe sweepends.

lever or other means of applying the power, is In order to shift thewheels a L alternately located. in the center of the pug-mill case B, tothe side wheels, bz', by automatic movement, and upon itis secured thespiral wing or wings the sleeve P is connected with a sliding bar,Dnearthebottom of thepu -mill. The number Q, by a yoke, q, reaching fromsaid bar and of wings isnotmaterial; butnearly orquitethe clasping thesleeve in a groove, p, thereof.

whole circle of the pug-mill should be covered This sliding bar hasslots rr moving overl pins thereby, and nearly at one height, so that asor screws so as to allow sufcient vertical the shaft revolves in theproper direction the movement for the purpose, substantially as claywill be continuously drivendownward by indicated in Fig. l. The bar issecured to a `the wing or win gs, and will be fed and pressed vibratinglever, R, one end of which pivots on .into the brick-molds in thereciprocating molda pin, a, and the other end to a connectingtable belowwith sufcient force to make the rod, S, which extends downy to thelframe be-` bricks very compact and solid. At the same low, and has aprojecting pinand friction# time the force is not a positive but ayielding roller, t, which runs' firsty under va guide-track, none, onlythe welght of the clay in the pug- T, till it reaches as mill and thedownward action of the screw or which raises it up to the. level withthe top Ot" spiral wings producing the force. Other auxthe track-guideT. lThis lifting.y movement illary splral wing or wings, as D', may beloshifts the pinions'a h, so that the-latter gears gated on the shaft Cabove the regular wings into the side wheels,b i, and reverses themoution of the n iold-table.' The roller t then trav- The reciprocatingmotion may be given to els back on the top'ot the guide-track T tillitave represented in the drawings is by gearrod S falls by its own "-5 img from the upperyend of the shaft C, subgears a lt again and revstantially as follows A l pring liftlng-guide, U',l

e mold-table has friction-Wheels H H runon tracks G G. Themold-followers M M n tracks N N, so shaped as to lower them erly in themolds when passing under the mill, and' to lift them out of the molds atend for removing the bricks; or the folrs may have projecting stems L L,Fig. 1, ln run on suitable tracks o 0 Linder the ers of the followers.Through the stems of the followers pins v o, Fig. 1, extend sversely andreach under lips or ledges on the inner sides ot' the tracks N N and thefollowers in the molds and draw them n when required. Suitablestriking-plates er the edges of the pug-mill strike off the lus clay andform the upper surfaces of' bricks. That I claim as my invention, anddesire ecure by Letters Patent, is

v October, 1865.

l. The continuously-revolving spiralwing or wings D D, when appliedto amold table or bedF, which has a continual reciprocating motioncommunicated to it by gearing, or the equivalent thereof, substantiallyas and for the purpose herein specified. v

2. The combination ot' the pins lU v in the I EL R. GARD.

Witnesses C. I). WoLF, S. H. ELLARD.

